20178307681

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{481801}}^1$

素因数の和:482032

約数の個数: 16

約数和(自身を含む): 23928214528

約数和(自身を除く): 3749906847

約数列:

[1, 7, 31, 193, 217, 1351, 5983, 41881, 481801, 3372607, 14935831, 92987593, 104550817, 650913151, 2882615383, 20178307681]

約数ペア:

[(1, 20178307681), (7, 2882615383), (31, 650913151), (193, 104550817), (217, 92987593), (1351, 14935831), (5983, 3372607), (41881, 481801)]